d-Block Elements

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Multiple Choice

Which of the following statement(s) is/are correct?
P. Bell metal consists of Cu, Sn and little Zn.
Q. Wood metal is used in the making of automatic sprinkles.
R. Duralumin is used in the manufacturing of aeroplane parts and consists of Al, Cu, Mg and Mn.

  1. Only P
  2. Only Q
  3. Only R
  4. P and Q
  5. Q and R
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